由于我的电脑是windows10，显卡是集显Intel® UHD Graphics 630。
下载Intel的SDK for OpenCL，下载地址https://software.intel.com/en-us/opencl-sdk/choose-download，也可以在我的资源里面直接下载
http://xiazai.jb51.net/202305/yuanma/intel_sdk_for_opencl_applications_283428.rar
运行install.exe，安装
运行后，如果vs打开了需要关闭。
默认安装路径在C:\Program Files (x86)\IntelSWTools，找到OpenCL安装位置在C:\Program Files (x86)\IntelSWTools\system_studio_2020\OpenCL
配置环境变量，发现以及自动配置到里面了
下载intel提供测试工具，下载地址：https://download.csdn.net/download/qq_36314864/87756581然后下载了直接运行，打印如下表示安装成功。
自己搭建一个OpenCL工程，创建一个C++控制台工程
打开配置属性，包含OpenCL的头文件，即将C:\Program Files (x86)\IntelSWTools\system_studio_2020\OpenCL\sdk\include
添加依赖项，如果工程是x64，就在C:\Program Files (x86)\IntelSWTools\system_studio_2020\OpenCL\sdk\lib\x64下面，如果x86就依赖x86下面的
拷贝下面测试代码替换helloword
#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <cstring>
#include <cassert>
#include <CL/cl.h>
int main()
{
using namespace std;
const char* required_platform_subname = "Intel";
//函数返回值，CL_SUCCESS表示成功
cl_int err = CL_SUCCESS;
// 判断返回值是否正确的宏
#define CAPSBASIC_CHECK_ERRORS(ERR) \
if(ERR != CL_SUCCESS) \
{ \
cerr \
<< "OpenCL error with code " << ERR \
<< " happened in file " << __FILE__ \
<< " at line " << __LINE__ \
<< ". Exiting...\n"; \
exit(1); \
}
// 遍历系统中所有OpenCL平台
cl_uint num_of_platforms = 0;
// 得到平台数目
err = clGetPlatformIDs(0, 0, &num_of_platforms);
CAPSBASIC_CHECK_ERRORS(err);
cout << "Number of available platforms: " << num_of_platforms << endl;
cl_platform_id* platforms = new cl_platform_id[num_of_platforms];
// 得到所有平台的ID
err = clGetPlatformIDs(num_of_platforms, platforms, 0);
CAPSBASIC_CHECK_ERRORS(err);
//列出所有平台
cl_uint selected_platform_index = num_of_platforms;
cout << "Platform names:\n";
for (cl_uint i = 0; i < num_of_platforms; ++i)
{
size_t platform_name_length = 0;
err = clGetPlatformInfo(
platforms[i],
CL_PLATFORM_NAME,
0,
0,
&platform_name_length
);
CAPSBASIC_CHECK_ERRORS(err);
// 调用两次，第一次是得到名称的长度
char* platform_name = new char[platform_name_length];
err = clGetPlatformInfo(
platforms[i],
CL_PLATFORM_NAME,
platform_name_length,
platform_name,
NULL
);
CAPSBASIC_CHECK_ERRORS(err);
cout << " [" << i << "] " << platform_name;
if (
strstr(platform_name, required_platform_subname) &&
selected_platform_index == num_of_platforms // have not selected yet
)
{
cout << " [Selected]";
selected_platform_index = i;
}
cout << endl;
delete[] platform_name;
}
delete[] platforms;
return 0;
}
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